20124189

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 30098432

約数和(自身を除く): 9974243

約数列:

[1, 3, 9, 37, 111, 223, 271, 333, 669, 813, 2007, 2439, 8251, 10027, 24753, 30081, 60433, 74259, 90243, 181299, 543897, 2236021, 6708063, 20124189]

約数ペア:

[(1, 20124189), (3, 6708063), (9, 2236021), (37, 543897), (111, 181299), (223, 90243), (271, 74259), (333, 60433), (669, 30081), (813, 24753), (2007, 10027), (2439, 8251)]